-
Amphiaspis argo is the type
species of the
cyathaspidid taxon Amphiaspidida, and of the
family Amphiaspididae. Its
fossils are
restricted to
early Emsian-aged...
- each
flanked by a
preorbital opening, and a simple, slit-like mouth.
Amphiaspis argo is the type
species of Amphiaspidida, and is
known from an incomplete...
-
Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
- two main subgroups: the
Amphiaspidida of
Early Devonian Siberia (i.e.,
Amphiaspis, Gabreyaspis, and Edaphaspis,
grouped together with
their relative Ctenaspis...
-
Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
- This
family contains two
monotypic genera,
including the type
genus Amphiaspis, and
Amphoraspis This
family is monotypic, and
contains the monotypic...
-
Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
- This
family contains two
monotypic genera,
including the type
genus Amphiaspis, and
Amphoraspis This
family is monotypic, and
contains the monotypic...
- is not used on this list. †Alainaspis †Allocryptaspis †Amaltheolepis †
Amphiaspis †Anatolepsis †Angaraspis †Angaralepis †Anglaspis †Apalolepis †Apedolepis...
-
Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
